If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address.

Here are the symptoms...

Primary Symptom: No Audio or Video. Power light will come on briefly then shut off.Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.

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Related Questions:

Hit the front of the tv near the blinking light... give it a good rap or two. See if this helps. Helped mine. I had the same problem and the tech who came out to the house told me that it would work and it did! I could hardly believe it but it worked.

make sure the lamp cover is in good and the screw is snug just had mine open and only thing that it does is red light flash and nothing on screen......unplug power and try it then plug it back in about three or four minutes later.....hope that helps

this just happened to us, we tried the reset button, didn't work. we unplugged from surge protector and plugged the tv in the regular wall socket and after a few minutes the green light quit and we were able to turn tv on